From 753961a53ef225650b1ac6c0a2ae2664a09e0605 Mon Sep 17 00:00:00 2001
From: Sidney Gathrid <sgathrid@yahoo.com>
Date: Thu, 4 Jul 2024 11:42:09 -0700
Subject: [PATCH] add debug statement in `planet.py`

---
 thema/multiverse/system/inner/planet.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/thema/multiverse/system/inner/planet.py b/thema/multiverse/system/inner/planet.py
index 57585e8..334cbda 100644
--- a/thema/multiverse/system/inner/planet.py
+++ b/thema/multiverse/system/inner/planet.py
@@ -253,7 +253,9 @@ def __init__(
         self.verbose = verbose
         self.YAML_PATH = None
         if YAML_PATH is not None:
-            assert os.path.isfile(YAML_PATH), "params.yaml file not found!"
+            assert os.path.isfile(
+                YAML_PATH
+            ), f"yaml parameter file could not be found: {YAML_PATH}"
 
             self.YAML_PATH = YAML_PATH
             with open(YAML_PATH, "r") as f: